Share 'Data Analysis in R'

I have written about R in the past, and it is one of the hottest tools for data analysis today. To further demonstrate the power of R, I found click-through rate data on Kaggle. The dataset is over 6 gigabytes and has over 12 million rows, but I limited the data set to 2 million rows for the sake of performance in R.
First, I loaded the dataset and took a look at the first few rows to get a sen…